boiler: Boiler temperature data

In qcc: Quality Control Charts

Description

Temperature readings from the eight configured burners on a boiler.

Usage

data(boiler)

Format

A data frame with 25 observations on the following 8 variables:

t1

temperature reading 1

t2

temperature reading 2

t3

temperature reading 3

t4

temperature reading 4

t5

temperature reading 5

t6

temperature reading 6

t7

temperature reading 7

t8

temperature reading 8

References

Mason, R.L. and Young, J.C. (2002) Multivariate Statistical Process Control with Industrial Applications, SIAM, p. 86.

Examples

data(boiler)
summary(boiler)
boxplot(boiler)

Example output

Package 'qcc' version 2.7
Type 'citation("qcc")' for citing this R package in publications.
       t1            t2              t3              t4              t5       
 Min.   :507   Min.   :509.0   Min.   :527.0   Min.   :512.0   Min.   :497.0  
 1st Qu.:520   1st Qu.:512.0   1st Qu.:537.0   1st Qu.:518.0   1st Qu.:502.0  
 Median :527   Median :514.0   Median :540.0   Median :523.0   Median :504.0  
 Mean   :525   Mean   :513.6   Mean   :538.9   Mean   :521.7   Mean   :503.8  
 3rd Qu.:530   3rd Qu.:515.0   3rd Qu.:542.0   3rd Qu.:525.0   3rd Qu.:507.0  
 Max.   :536   Max.   :518.0   Max.   :546.0   Max.   :530.0   Max.   :509.0  
       t6              t7              t8       
 Min.   :508.0   Min.   :471.0   Min.   :472.0  
 1st Qu.:511.0   1st Qu.:476.0   1st Qu.:476.0  
 Median :512.0   Median :480.0   Median :477.0  
 Mean   :512.4   Mean   :478.7   Mean   :477.2  
 3rd Qu.:514.0   3rd Qu.:482.0   3rd Qu.:478.0  
 Max.   :517.0   Max.   :483.0   Max.   :481.0  

qcc documentation built on May 2, 2019, 9:15 a.m.